.forum-select {
    display: flex;
    position: relative;
    flex-direction: column;
    width:1220px;
    height: auto;
    border: 1px solid #efefef;
    margin-top: 50px;
    border-radius: 10px 10px 10px 10px;
    overflow: hidden;
      /* 添加一个阴影效果 */
    box-shadow: 0 0 10px #efefef;
      /* 添加一个过渡效果 */
    transition: transform 0.3s;
    
  }
 .forum-item{
    display:flex;
    overflow: hidden;
    position: relative;
  }

  .forum-select-name{
  user-select: none;

    width: 100%;
    height: 60px;
    margin: 0;
    background-color: #efefef;
    display: flex;
    align-items: center;
    /* 使用圆角 */
    border-radius: 10px 10px 0 0;
  }
  .forum-select-name h5{
    margin-left: 25px;
    font-weight: bolder;
    font-size: 18px;
    line-height: 60px;
    color: #666;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.floor-btn{
    height: 37px;
    line-height: 34px;
    font-weight: 700;
    border: 1px solid #dcdcdc;
    padding: 0 15px;
    border: 1px solid #e1e1e1;
    color: #666;
    font-size: 14px;
    border-radius: 4px;
    background: #dbd8d8;
    background-image: linear-gradient(180deg,#dbdada,#aba8a8);
}
.right-select {
    right: 10px;
    top: 0;
    height: 60px;
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0px;
    
}

.forum-item {
    display:flex;
    overflow: hidden;
    position: relative;
    transition: transform 0.3s;
    width: 1600px;
    /* 使用圆角 */
    border-radius: 0 0 10px 10px;
  }
  .forum-item-box {
    height: 400px;
    width: 305px;
    background-color: #efefef;
    border-top: 1px solid #efefef;
    border-right: 1px solid #efefef;
    cursor: pointer;
    box-shadow: 0 0 10px #f7f6f6;
    transition: transform 0.3s, box-shadow 0.3s; 
    padding: 30px 30px 60px;
    
}
.forum-item-box:hover{
   background-color: #dbd8d8;
   transition: transform 0.3s;
}
.forum-item-box h3{
    color: #333333;
    font-size: 15px;
    margin: 30px 0px 12px;
}
.forum-item-cover img{
    width: 245px;
    height: 155px;
    border-radius: 10px;
}
.decs{
    /* color: #999999; */
    font-size: 12px;
    margin: 0px;
    display: flex;
    flex-wrap: wrap;
}
.read{
    display: inline-block;
    position: absolute;
    bottom: 30px;
    margin-top: 12px;
    font-size: 12px;
    font-weight: 500;
    color: #5079d9;
}